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5691157900 = 225256911579
BaseRepresentation
bin1010100110011100…
…00010110110001100
3112200121220202221221
411103032002312030
543123414023100
62340421133124
7261014021041
oct52316026614
915617822857
105691157900
11246056818a
121129b5a1a4
136c90c346c
143bdbb71c8
1523497e01a
hex153382d8c

5691157900 has 18 divisors (see below), whose sum is σ = 12349812860. Its totient is φ = 2276463120.

The previous prime is 5691157897. The next prime is 5691157919. The reversal of 5691157900 is 97511965.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28455690 + ... + 28455889.

Almost surely, 25691157900 is an apocalyptic number.

5691157900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5691157900 is an abundant number, since it is smaller than the sum of its proper divisors (6658654960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5691157900 is a wasteful number, since it uses less digits than its factorization.

5691157900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56911593 (or 56911586 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 43.

The square root of 5691157900 is about 75439.7633877520. The cubic root of 5691157900 is about 1785.3918380684.

The spelling of 5691157900 in words is "five billion, six hundred ninety-one million, one hundred fifty-seven thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 56911579 113823158 227646316 284557895 569115790 1138231580 1422789475 2845578950 5691157900